UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000060512
Receipt number R000069212
Scientific Title Safety Study of Long-term Intake of Honeydew Honey in Healthy Participants
Date of disclosure of the study information 2026/01/30
Last modified on 2026/01/29 13:00:12

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Basic information

Public title

Safety Study of Long-term Intake of Honeydew Honey in Healthy Participants

Acronym

Safety Study of Long-term Intake of Honeydew Honey in Healthy Participants

Scientific Title

Safety Study of Long-term Intake of Honeydew Honey in Healthy Participants

Scientific Title:Acronym

Safety Study of Long-term Intake of Honeydew Honey in Healthy Participants

Region

Japan


Condition

Condition

Healthy Adult

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the safety of long-term intake of honeydew honey (15 g/day for 12 weeks) in healthy adult men and women.
Additionally, metabolome analysis will be conducted to exploratorily investigate the functionality of honeydew honey.

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Adverse events (medical interview)
General tests (BMI, blood pressure, pulse rate)
Hematological tests
Blood biochemical tests
Urinalysis
Diary

Key secondary outcomes

Metabolome analysis


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Uncontrolled

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Honeydew Honey
Intake amount: 15 g/day
Intake duration: 84 days

Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

65 years-old >=

Gender

Male and Female

Key inclusion criteria

1) Healthy Japanese participants between the ages of 20 and 65 at the time of informed consent.
2) Participants not receiving treatment with medications, therapies, or procedures for any reason, whether seasonal, chronic, or acute.
3) Participants who have fully understood this clinical study and have provided written informed consent of their own free will.
4) Participants with a BMI greater than 18.5 and less than 30.0.
*BMI = Weight (kg) / {Height (m)}^2*
5) Participants who can refrain from excessive exercise during the clinical study period.
6) Participants who can maintain a diet of three meals per day and avoid overeating and excessive drinking during the clinical study period.
7) Participants who can understand and comply with the management instructions during the clinical study period.
8) Participants deemed eligible by the principal investigator or equivalent based on a comprehensive assessment.

Key exclusion criteria

1) Participants with diseases of the gastrointestinal tract, liver, kidneys, heart, or circulatory system that affect the absorption, distribution, metabolism, or excretion of the test food.
2) Participants with a history of major surgery of the gastrointestinal tract, such as gastrectomy, gastrointestinal suture, or bowel resection (except polypectomy and appendectomy).
3) Participants with a history of cerebrovascular disease (except asymptomatic lacunar infarction).
4) Participants with food allergies or hypersensitivity related to the test food, or with specific constitutions.
5) Participants suspected of alcohol or drug abuse.
6) Participants who have participated in another clinical trial or study within 84 days prior to the date of consent.
7) Participants who have donated 400 mL of blood within 84 days, 200 mL of blood within 28 days, or received a component blood donation (plasma or platelets) within 14 days prior to the date of consent.
8) Participants unable to refrain from consuming honey other than the test food during the study period.
9) Participants with a postprandial glucose level of 140 mg/dL or higher at the time of SCR, or who have been diagnosed with diabetes by a physician at the time of application.
10) Participants who wish to become pregnant or who are unable to use contraception during the clinical trial period.
11) Participants who are breastfeeding or pregnant.
12) Participants with irregular lifestyles due to night shifts or shift work.
13) Participants who live with someone who is participating or planning to participate in the study.
14) Any other participants deemed inappropriate for participation by the principal investigator.

Target sample size

10


Research contact person

Name of lead principal investigator

1st name Ayanori
Middle name
Last name Yamaki

Organization

Yamada Bee Company, Inc.

Division name

Functional Ingredient research section, Institute for Bee Products & Health Science, R&D department

Zip code

708-0393

Address

194 Ichiba, Kagamino-cho, Tomata-gun, Okayama 708-0393 Japan

TEL

0868-54-1199

Email

ay1255@yamada-bee.com


Public contact

Name of contact person

1st name Wakako
Middle name
Last name Miyamoto

Organization

Yamada Bee Company, Inc.

Division name

Functional Ingredient research section, Institute for Bee Products & Health Science, R&D department

Zip code

708-0393

Address

194 Ichiba, Kagamino-cho, Tomata-gun, Okayama 708-0393 Japan

TEL

0868-54-3825

Homepage URL


Email

wm2176@yamada-bee.com


Sponsor or person

Institute

Yamada Bee Company, Inc.

Institute

Department

Personal name



Funding Source

Organization

Yamada Bee Company, Inc.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Yamada Bee Company Ethics Committee

Address

194 Ichiba, Kagamino-cho, Tomata-gun, Okayama 708-0393 Japan

Tel

0868-54-1199

Email

irb@yamada-bee.com


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 01 Month 30 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2026 Year 01 Month 23 Day

Date of IRB


Anticipated trial start date

2026 Year 02 Month 26 Day

Last follow-up date

2026 Year 08 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2026 Year 01 Month 29 Day

Last modified on

2026 Year 01 Month 29 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069212